There were some features which came and go, yes. Still, it's the objectively safest and best privacy protecting browser which exists. And in my about 15 years of using it, I've barely had reasons to complain.
Their whole point is that they know that delivering this message (that the Google AI says only bad things about Firefox) is the intention of the image, but they don't believe that this is what the AI actually does for a neutral prompt without seeing the prompt themselves.